> For the complete documentation index, see [llms.txt](https://docs.fringe.fi/v2-smart-contract-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fringe.fi/v2-smart-contract-documentation/btoken/berc20interface.md).

# BErc20Interface

## Overview

#### License: MIT

```solidity
abstract contract BErc20Interface is BErc20Storage
```

## Functions info

### sweepToken (0x1be19560)

```solidity
function sweepToken(EIP20NonStandardInterface token) external virtual
```

### \_addReserves (0x3e941010)

```solidity
function _addReserves(uint256 addAmount) external virtual returns (uint256)
```